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1408796027 = 9471487641
BaseRepresentation
bin101001111111000…
…1000010101111011
310122011220020211122
41103332020111323
510341122433102
6351443215455
746624366022
oct12376102573
93564806748
101408796027
11663257341
1233397758b
13195b3b322
14d51618b9
1583a310a2
hex53f8857b

1408796027 has 4 divisors (see below), whose sum is σ = 1410284616. Its totient is φ = 1407307440.

The previous prime is 1408795981. The next prime is 1408796047. The reversal of 1408796027 is 7206978041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7206978041 = 61118147181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1408796027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408796047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742874 + ... + 744767.

It is an arithmetic number, because the mean of its divisors is an integer number (352571154).

Almost surely, 21408796027 is an apocalyptic number.

1408796027 is a deficient number, since it is larger than the sum of its proper divisors (1488589).

1408796027 is an equidigital number, since it uses as much as digits as its factorization.

1408796027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488588.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1408796027 is about 37533.9316752189. The cubic root of 1408796027 is about 1121.0269139619.

The spelling of 1408796027 in words is "one billion, four hundred eight million, seven hundred ninety-six thousand, twenty-seven".

Divisors: 1 947 1487641 1408796027